Octreoscan
What is Octreoscan?
An octreotide scan or octreoscan is a type of scintigraphy used to find carcinoid, pancreatic neuroendocrine tumors, and to localize sarcoidosis. Octreotide, a drug similar to somatostatin, is radiolabeled with indium-111, and is injected into a vein and travels through the bloodstream. The radioactive octreotide attaches to tumor cells that have receptors for somatostatin. A radiation-measuring device detects the radioactive octreotide, and makes pictures showing where the tumor cells are in the body.
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